Fluency Expectations or Examples of Culminating Standards Adding, subtracting, multiplying, and dividing rational numbers is the culmination of numerical work with the four basic operations. The number system will continue to develop in grade 8, expanding to become the real numbers by the introduction of irrational numbers, and will develop further in high school, expanding to become the complex numbers with the introduction of imaginary numbers. Because there are no specific standards for rational number arithmetic in later grades and because so much other work in grade 7 depends on rational number arithmetic, fluency with rational number arithmetic should be the goal in grade 7.

By the end of our adventure, you should be able to explain the meaning of additive inverse, identify the additive inverse of a given rational number, and justify your answer on a number line.

Subject(s): Mathematics

Grade Level(s): 7

Aligned Standards

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